---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31858 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 728 9565 4 5695 14918 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f7:20:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fef7:200f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:cd:aa:2e:ba:7c brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31858) 06/30/26 _x86_64_ (4 CPU) 15:47:20 LINUX RESTART (4 CPU) 15:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:10 24.30 2.67 19.95 1.67 147.63 4685.11 6865.52 16:10:01 32.34 0.05 28.92 3.38 1.60 3183.88 20479.17 Average: 28.29 1.37 24.40 2.52 75.15 3939.98 13622.59 15:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:10 9497952 13241144 2715064 16.58 155980 3673520 2969248 17.04 708996 5747984 15556 16:10:01 7678284 12907480 3041784 18.58 189984 5048000 3269284 18.77 1030588 7128016 899576 Average: 8588118 13074312 2878424 17.58 172982 4360760 3119266 17.90 869792 6438000 457566 15:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:10 lo 658.88 658.88 627.57 627.57 0.00 0.00 0.00 0.00 16:00:10 ens3 111.85 85.85 823.10 18.99 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1572.18 1572.18 1498.83 1498.83 0.00 0.00 0.00 0.00 16:10:01 ens3 64.14 49.52 238.31 13.54 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1112.19 1112.19 1060.02 1060.02 0.00 0.00 0.00 0.00 Average: ens3 88.17 67.82 532.84 16.28 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-31858) 06/30/26 _x86_64_ (4 CPU) 15:47:20 LINUX RESTART (4 CPU) 15:50:10 CPU %user %nice %system %iowait %steal %idle 16:00:10 all 61.13 0.00 2.08 0.09 0.11 36.59 16:00:10 0 59.75 0.00 2.18 0.06 0.11 37.90 16:00:10 1 60.74 0.00 2.14 0.05 0.10 36.96 16:00:10 2 62.11 0.00 2.03 0.14 0.11 35.62 16:00:10 3 61.93 0.00 1.97 0.12 0.11 35.88 16:10:01 all 55.98 0.00 2.48 0.10 0.09 41.35 16:10:01 0 54.93 0.00 2.53 0.07 0.09 42.38 16:10:01 1 54.53 0.00 2.36 0.06 0.09 42.96 16:10:01 2 60.92 0.00 2.58 0.08 0.09 36.32 16:10:01 3 53.53 0.00 2.46 0.18 0.09 43.74 Average: all 58.57 0.00 2.28 0.09 0.10 38.95 Average: 0 57.36 0.00 2.35 0.07 0.10 40.12 Average: 1 57.66 0.00 2.25 0.05 0.10 39.94 Average: 2 61.52 0.00 2.30 0.11 0.10 35.97 Average: 3 57.76 0.00 2.21 0.15 0.10 39.78